唯一让我担心的是：他老人家的失效日期，可能比那些期权更早。
The only thing that worries me is that he may have a shorter expiry date than his options.
该失效日期并非实际反映出该网站名称的注册人与本注册处之间的赞助者的合约。
This date does not necessarily reflect the expiration date of the domain name registrant's agreement with the sponsoring registrar.
今年早些时候，一个来自德国的研究队开发了一项为生成的图片添加失效日期的技术。
Earlier this year a team of German researchers developed a technique for creating images with an expiration date.
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